gnash::image Namespace Reference

Image handling functions and classes. More...

Classes
class	GnashImage
	Base class for different types of bitmaps. More...
class	ImageRGB
	24-bit RGB bitmap More...
class	ImageRGBA
	32-bit RGBA bitmap More...
class	Input
	The base class for reading image data. More...
class	Output
class	JpegInput
	Class for reading JPEG image data. More...
class	JpegOutput
class	ARGB
	Adapt a pixel_iterator to use 32-bit values in ARGB byte order. More...
struct	pixel_iterator
	The pixel_iterator class is a pixel-level adaptor for a GnashImage. More...
Enumerations
enum	ImageType { GNASH_IMAGE_INVALID, TYPE_RGB, TYPE_RGBA }
	The types of images handled in Gnash. More...
enum	ImageLocation { GNASH_IMAGE_CPU = 1, GNASH_IMAGE_GPU }
	The locations of images handled in Gnash. More...
Functions
void	mergeAlpha (ImageRGBA &im, GnashImage::const_iterator alphaData, const size_t bufferLength)
size_t	numChannels (ImageType t)
GnashImage::iterator	scanline (GnashImage &im, size_t row)
	Get a pointer to a given row of any image.
GnashImage::const_iterator	scanline (const GnashImage &im, size_t row)
	Get a read-only pointer to a given row of any image.
std::auto_ptr< Input >	createGifInput (boost::shared_ptr< IOChannel > in)
	Create a GifInput and transfer ownership to the caller.
std::auto_ptr< Input >	createPngInput (boost::shared_ptr< IOChannel > in)
	Create a PngInput and transfer ownership to the caller.
std::auto_ptr< Output >	createPngOutput (boost::shared_ptr< IOChannel > o, size_t width, size_t height, int quality)
template<typename T >
pixel_iterator< T >	begin (GnashImage &im)
template<typename T >
pixel_iterator< T >	end (GnashImage &im)

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Detailed Description

Image handling functions and classes.

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Enumeration Type Documentation

enum gnash::image::ImageLocation

The locations of images handled in Gnash.

Enumerator:

GNASH_IMAGE_CPU
GNASH_IMAGE_GPU

enum gnash::image::ImageType

The types of images handled in Gnash.

Enumerator:

GNASH_IMAGE_INVALID
TYPE_RGB
TYPE_RGBA

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Function Documentation

template<typename T >

pixel_iterator<T> gnash::image::begin

(

GnashImage &

im

)

References gnash::image::GnashImage::begin(), and gnash::image::GnashImage::type().

Referenced by gnash::FltkGui::createWindow(), gnash::image::GnashImage::end(), and gnash::InputDevice::scanForDevices().

std::auto_ptr< Input > gnash::image::createGifInput

(

boost::shared_ptr< IOChannel >

in

)

Create a GifInput and transfer ownership to the caller.

Parameters:

in	The IOChannel to read GIF data from.

Referenced by gnash::image::Input::readImageData().

std::auto_ptr< Input > gnash::image::createPngInput

(

boost::shared_ptr< IOChannel >

in

)

Create a PngInput and transfer ownership to the caller.

Parameters:

in	The IOChannel to read PNG data from.

Referenced by gnash::image::Input::readImageData().

std::auto_ptr< Output > gnash::image::createPngOutput	(	boost::shared_ptr< IOChannel >	o,
		size_t	width,
		size_t	height,
		int	quality
	)

Referenced by gnash::image::Output::writeImageData().

template<typename T >

pixel_iterator<T> gnash::image::end

(

GnashImage &

im

)

References gnash::image::GnashImage::end(), and gnash::image::GnashImage::type().

Referenced by gnash::media::AudioDecoderSpeex::decode(), gnash::BitsReader::size(), gnash::BitsReader::setBuffer(), gnash::BitsReader::read_u16(), gnash::BitsReader::read_u32(), gnash::BitsReader::gotBits(), gnash::plugin::ExternalInterface::parseInvoke(), gnash::plugin::ExternalInterface::parseXML(), gnash::plugin::ExternalInterface::parseProperties(), gnash::plugin::ExternalInterface::parseArguments(), gnash::ExternalInterface::parseInvoke(), gnash::ExternalInterface::parseXML(), gnash::ExternalInterface::parseArguments(), gnash::FltkGui::createWindow(), KlashPart::KlashPart(), KlashPart::play(), gnash::renderer::openvg::preparepath(), gnash::renderer::openvg::Renderer_ovg::drawLine(), gnash::Renderer_cairo::add_path(), gnash::Renderer_cairo::draw_outlines(), gnash::Renderer_cairo::find_subshapes(), gnash::Renderer_cairo::draw_mask(), gnash::Renderer_cairo::add_paths(), gnash::renderer::opengl::interpolate(), gnash::renderer::opengl::Tesselator::feed(), gnash::renderer::opengl::Tesselator::tesselate(), gnash::rtmp::RTMP::sendPacket(), gnash::sound::sound_handler::fetchSamples(), gnash::TextField::replaceSelection(), gnash::TextField::setSelection(), and gnash::media::ffmpeg::VideoDecoderFfmpeg::pop().

DSOEXPORT void gnash::image::mergeAlpha	(	ImageRGBA &	im,
		GnashImage::const_iterator	alphaData,
		const size_t	bufferLength
	)

References assert, gnash::image::GnashImage::size(), gnash::key::p, gnash::image::GnashImage::begin(), and gnash::key::i.

size_t gnash::image::numChannels

(

ImageType

t

)

[inline]

References TYPE_RGBA, and TYPE_RGB.

Referenced by gnash::image::GnashImage::channels().

GnashImage::iterator gnash::image::scanline	(	GnashImage &	im,
		size_t	row
	)		[inline]

Get a pointer to a given row of any image.

Parameters:

row	The index of the required row.

Returns:

A pointer to the first byte of the specified row.

References assert, gnash::image::GnashImage::height(), gnash::image::GnashImage::begin(), and gnash::image::GnashImage::stride().

Referenced by gnash::image::ImageRGBA::setPixel(), gnash::image::Input::readImageData(), gnash::image::Input::readSWFJpeg3(), and gnash::image::JpegInput::readSWFJpeg2WithTables().

GnashImage::const_iterator gnash::image::scanline	(	const GnashImage &	im,
		size_t	row
	)		[inline]

Get a read-only pointer to a given row of any image.

Parameters:

y	The index of the required row.

Returns:

A read-only pointer to the first byte of the specified row.

References assert, gnash::image::GnashImage::height(), gnash::image::GnashImage::begin(), and gnash::image::GnashImage::stride().